Use complete host references on haproxy configuration
Use complete host references on haproxy configuration

This avoids an incompatibility on the admin node in which if the external
fqdn field matched any of the master nodes host, haproxy would be checking
127.0.0.1:6444 for the apiserver for healthchecks.

Now, we are using the internal infra domain suffix so we are sure we are
referring to the real /etc/hosts entry with the ip address of the target
machines.

kubic-project/salt,ereslibre/salt,ereslibre/salt,kubic-project/salt,kubic-project/salt,ereslibre/salt